OUTD
(HL); B
B - 1; HL
HL - 1| 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
OUTD
OBJECT CODE
OUTD |
Output with decrement. | |||||||||
| Function: | (C)
(HL); B
B - 1; HL
HL - 1 |
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| Format: |
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byte 1: ED |
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byte 2: AB |
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| Description: | The contents of the memory location addressed by the HL register pair are output to the peripheral device addressed by the contents of the C register. Then both the B register and the HL register pair are decremented. C supplies bits A0 to A7 of the address bus. B supplies (after decrementation) A8 to A15. |
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| Data Flow: | ||||||||||
| Timing: | 4 M cycles; 16 T states: 8 usec @ 2 MHz |
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| Addressing Mode: | external |
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| Flags: | |
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| Example: | OUTD |
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OBJECT CODE |
Before: |
After: |
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